OpenTechnical

OT-2026-000014874

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000014874) never changes.

Identity and time

Publication numberOT-2026-000014874 · never reused
Internal UUID01a0ae6d-d095-75a0-bbae-17b0ce8a43e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014874
StatusPUBLIC

Content hashes

Canonical textcb5a9cf9ba3612d941de3efa6f32a8786c6591079d2f7f418dc4babbf006146e
Markdownb858a1270fe90f296a6cbcfb2b64fc205deb5e2e0c81d2ed4d298e88d79703e5
PDF
Publication page54c2295738d335d00b8f118cfb72ffab761147a8461696acde12b116d470e626
Manifest4f55aa1f05d949bb909f3e933a011a373288d847b4db2b2cdb710b3e29fe4186

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureq5uw/2f7Qv11MuGfpxN5ta2B4uzUtlYt4oq6QRI2YbNpk9GFLyrpdf+SQLGYgxIOIzRg9Uh7ucaYx1PX3OhoDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:47.815732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014874
observed 54c2295738d335d00b8f118cfb72ffab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.795817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014874/manifest.json
observed 4f55aa1f05d949bb909f3e933a011a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.776766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014874/publication.md
observed b858a1270fe90f296a6cbcfb2b64fc20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.758154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014874/publication.txt
observed cb5a9cf9ba3612d941de3efa6f32a878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.